Scan still running, and given that it has only scanned 27000 files so far (I think I have around 90,000) I suspect it could take quite a while I'll paste as soon as it's ready, or tomorrow morning if I go to sleep before it happens (it's past midnight here)

Thanks again for your help! If it turns out the problem wasn't actually gone I won't hesitate to post

By the way; rather than start a new thread, I'll use this topic to ask you for advice / an opinion.

You could say that I take the security of my computer quite seriously, although not as seriously as I should given how much sensitive data I tend to store and process. What I'm trying to do is compile the best possible protection I can have (coupled of course with common sense and caution

6. Run Malwarebytes "Quick scan" once in a while to assure safety of your computer.

7. Run Temporary File Cleaner (TFC) weekly.

8. Download and install Secunia Personal Software Inspector (PSI): http://secunia.com/vulnerability_scanning/personal/. The Secunia PSI is a FREE security tool designed to detect vulnerable and out-dated programs and plug-ins which expose your PC to attacks. Run it weekly.

9. (optional) If you want to keep all your programs up to date, download and install FileHippo Update Checker.
The Update Checker will scan your computer for installed software, check the versions and then send this information to FileHippo.com to see if there are any newer releases.